ED7950 0 sub-class 50 sub-class Type index
	In 1989, JR Freight developed and delivered ED79-50 AC electric locomotives to additional capacity for freight services through the undersea Seikan tunnel. The noticeable difference over previous ED79-0 is having the visors above the windscreens, which are slanted. They are finished from new in the then-new JR Freight livery of pale purple and two-tone blue, with maroon cab doors. Now some ED79-50 locomotives remain in service and haul freight services between Higashi-Aomori and Goryokaku via Seikan tunnel in pairs. But they are now gradually replaced with EH800 AC dual voltage locomotives.
	Technical Data Items Data Supply Voltage 20,000VAC 50Hz Service speed 115km/h  Max power 1,900kW Length 14,300mm Width 2,800mm Total mass 67.2t Axles location B0-B0 Bogie DT129T/U Current collector PS103 Traction motor MT52B Tapped controller LTC4B Transformer TM16A (2330kVA) Rectifier RS50 (2,052kW) Designed by JR Freight